Statement I Sulphate is extimated as `BaSO_(4)`, not as `MgSO_(4)`.
Statement II Ionic radius of `Mg^(2+)` is smaller than that of `Ba^(2+)`.
A. Statement I is correct, Statement II is correct Statement II is a correct, explanation of Statement I
B. Statement I is correct, Statement II is correct Statement II is not correct, explanation of Statement I.
C. Statement I is correct, Statement II is incorrect.
D. Statement I is incorrect, Statement II is correct.
